From b675893fbfe30f73e5330432e625b9cb96ca2c7b Mon Sep 17 00:00:00 2001
From: Ganesh Futane <63470761+ganesh003@users.noreply.github.com>
Date: Thu, 15 Oct 2020 19:24:18 +0530
Subject: [PATCH] Added Fraction Division Function

---
 mathgenerator/mathgen.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/mathgenerator/mathgen.py b/mathgenerator/mathgen.py
index 7c3f858..2fc7e3c 100644
--- a/mathgenerator/mathgen.py
+++ b/mathgenerator/mathgen.py
@@ -164,6 +164,31 @@ def decimalToBinary(max_dec=99):
     solution = str(b)
     return problem, solution
 
+def divideFractionsFunc(maxVal=10):
+    a = random.randint(1, maxVal)
+    b = random.randint(1, maxVal)
+    while (a == b):
+        b = random.randint(1, maxVal)
+    c = random.randint(1, maxVal)
+    d = random.randint(1, maxVal)
+    while (c == d):
+        d = random.randint(1, maxVal)
+    def calculate_gcd(x, y):
+        while(y):
+            x, y = y, x % y
+        return x
+    tmp_n = a * d
+    tmp_d = b * c
+    gcd = calculate_gcd(tmp_n, tmp_d)
+    x = f"{tmp_n//gcd}/{tmp_d//gcd}"
+    if (tmp_d == 1 or tmp_d == gcd):
+        x = f"{tmp_n//gcd}"
+    # for equal numerator and denominators
+    problem = f"({a}/{b})/({c}/{d})"
+    solution = x
+    return problem, solution
+
+
 # || Class Instances
 
 #Format is:
@@ -183,3 +208,4 @@ basicAlgebra = Generator("Basic_Algebra", 13, "ax + b = c", "d", basicAlgebraFun
 log = Generator("Logarithm", 13, "log2(8)", "3", logFunc)
 intdivision = Generator("Easy Divisio",14,"a/b=","c",divisionToIntFunc)
 decimaltobinary = Generator("Decimal to Binary",15,"Binary of a=","b",decimalToBinary)
+fractionDivision = Generator("Fraction Division", 16, "(a/b)/(c/d)=", "x/y", divideFractionsFunc)